California

• Alameda 06001
  1,856 taxa Open ↗
• Alpine 06003
  1,174 taxa Open ↗
• Amador 06005
  1,226 taxa Open ↗
• Butte 06007
  2,704 taxa Open ↗
• Calaveras 06009
  1,227 taxa Open ↗
• Colusa 06011
  1,330 taxa Open ↗
• Contra Costa 06013
  1,712 taxa Open ↗
• Del Norte 06015
  1,424 taxa Open ↗
• El Dorado 06017
  1,950 taxa Open ↗
• Fresno 06019
  2,373 taxa Open ↗

Showing 2,001–2,050 of 9,954.

• 
  Caulanthus major (M.E. Jones) Payson Native CAMA17

  slender wild cabbage · Brassicaceae 6 counties
• 
  Caulanthus major (M.E. Jones) Payson var. major Native CAMAM14

  slender wild cabbage · Brassicaceae 2 counties
• 
  Caulanthus major (M.E. Jones) Payson var. nevadensis Rollins Native CAMAN

  slender wild cabbage · Brassicaceae 3 counties
• 
  Caulanthus pilosus S. Watson Native CAPI4

  hairy wild cabbage · Brassicaceae 3 counties
• 
  Caulanthus simulans Payson Native CASI5

  Payson's wild cabbage · Brassicaceae 2 counties
• 
  Caulerpa taxifolia (Vahl) C. Agardh Introduced CATA5

  killer alga · Caulerpaceae 2 counties
• 
  Caulostramina jaegeri (Rollins) Rollins Native CAJA5

  cliffdweller · Brassicaceae 1 county
• 
  Ceanothus arboreus Greene Native CEAR

  feltleaf ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus confusus J.T. Howell Native CECO6

  Rincon Ridge ceanothus · Rhamnaceae 4 counties
• ⚘
  Ceanothus connivens Greene Native CECO2

  trailing buckbrush · Rhamnaceae 2 counties
• 
  Ceanothus cordulatus Kellogg Native CECO

  whitethorn ceanothus · Rhamnaceae 32 counties
• 
  Ceanothus crassifolius Torr. Native CECR

  hoaryleaf ceanothus · Rhamnaceae 8 counties
• 
  Ceanothus cuneatus (Hook.) Nutt. Native CECU

  buckbrush · Rhamnaceae 51 counties
• 
  Ceanothus cuneatus (Hook.) Nutt. var. cuneatus Native CECUC3

  buckbrush · Rhamnaceae 51 counties
• 
  Ceanothus cuneatus (Hook.) Nutt. var. fascicularis (McMinn) Hoover Native CECUF2

  sedgeleaf buckbrush · Rhamnaceae 2 counties
• 
  Ceanothus cuneatus (Hook.) Nutt. var. rigidus (Nutt.) Hoover Native CECUR2

  Monterey ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus cyaneus Eastw. Native CECY

  San Diego buckbrush · Rhamnaceae 2 counties
• 
  Ceanothus dentatus Torr. & A. Gray Native CEDE

  sandscrub ceanothus · Rhamnaceae 9 counties
• 
  Ceanothus divergens Parry Native CEDI

  Calistoga ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus diversifolius Kellogg Native CEDI2

  pinemat · Rhamnaceae 20 counties
• 
  Ceanothus ferrisiae McMinn Native CEFE2

  Coyote ceanothus · Rhamnaceae 1 county
• 
  Ceanothus foliosus Parry Native CEFO

  wavyleaf ceanothus · Rhamnaceae 11 counties
• 
  Ceanothus foliosus Parry var. foliosus Native CEFOF3

  wavyleaf ceanothus · Rhamnaceae 8 counties
• 
  Ceanothus foliosus Parry var. medius McMinn Native CEFOM

  wavyleaf buckbrush · Rhamnaceae 4 counties
• 
  Ceanothus foliosus Parry var. vineatus McMinn Native CEFOV

  Vine Hill ceanothus · Rhamnaceae 2 counties
• 
  Ceanothus fresnensis Dudley ex Abrams Native CEFR

  Fresno mat · Rhamnaceae 6 counties
• 
  Ceanothus gloriosus J.T. Howell Native CEGL

  Point Reyes ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus gloriosus J.T. Howell var. exaltatus Native CEGLE

  Point Reyes ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus gloriosus J.T. Howell var. gloriosus Native CEGLG3

  Point Reyes ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus gloriosus J.T. Howell var. porrectus Native CEGLP

  Mt. Vision ceanothus · Rhamnaceae 1 county
• 
  Ceanothus greggii A. Gray Native CEGR

  desert ceanothus · Rhamnaceae 12 counties
• 
  Ceanothus greggii A. Gray var. perplexans (Trel.) Jeps. Native CEGRP

  desert ceanothus · Rhamnaceae 7 counties
• 
  Ceanothus greggii A. Gray var. vestitus (Greene) McMinn Native CEGRV

  Mojave ceanothus · Rhamnaceae 10 counties
• 
  Ceanothus griseus (Trel.) McMinn Native CEGR2

  Carmel ceanothus · Rhamnaceae 8 counties
• 
  Ceanothus hearstiorum Hoover & J.B. Roof Native CEHE2

  Hearst Ranch buckbrush · Rhamnaceae 1 county
• 
  Ceanothus impressus Trel. Native CEIM

  Santa Barbara ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus impressus Trel. var. impressus Native CEIMI

  Santa Barbara ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus impressus Trel. var. nipomensis McMinn Native CEIMN

  Santa Barbara ceanothus · Rhamnaceae 1 county
• 
  Ceanothus incanus Torr. & A. Gray Native CEIN

  coast whitethorn · Rhamnaceae 9 counties
• 
  Ceanothus integerrimus Hook. & Arn. Native CEIN3

  deerbrush · Rhamnaceae 42 counties
• 
  Ceanothus jepsonii Greene Native CEJE

  Jepson ceanothus · Rhamnaceae 9 counties
• 
  Ceanothus jepsonii Greene var. albiflorus J.T. Howell Native CEJEA

  Jepson ceanothus · Rhamnaceae 2 counties
• 
  Ceanothus jepsonii Greene var. jepsonii Native CEJEJ2

  Jepson ceanothus · Rhamnaceae 4 counties
• 
  Ceanothus lemmonii Parry Native CELE

  Lemmon's ceanothus · Rhamnaceae 14 counties
• 
  Ceanothus leucodermis Greene Native CELE2

  chaparral whitethorn · Rhamnaceae 20 counties
• 
  Ceanothus maritimus Hoover Native CEMA

  maritime ceanothus · Rhamnaceae 1 county
• 
  Ceanothus masonii McMinn Native CEMA3

  Mason's ceanothus · Rhamnaceae 1 county
• 
  Ceanothus megacarpus Nutt. Native CEME

  bigpod ceanothus · Rhamnaceae 6 counties
• 
  Ceanothus megacarpus Nutt. var. insularis (Eastw.) Munz Native CEMEI2

  island ceanothus · Rhamnaceae 3 counties
• 
  Ceanothus megacarpus Nutt. var. megacarpus Native CEMEM2

  bigpod ceanothus · Rhamnaceae 6 counties